Solar flares on February 12, 2003
The most powerful solar flare in 24 hours
C8.7 (normal) flare - February 12 at 1:51 AM
Solar activity index
Value as of the end of the day on February 12, 2003
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 11, 2003 to February 12, 2003
Time zone — UTC+00 (London)
List of solar flares for February 12, 2003
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 21:01 | 21:12 | 21:23 | 282 |
| C2.9 | 16:01 | 16:12 | 16:20 | 280 |
| C2.4 | 05:36 | 05:42 | 05:49 | 282 |
| C8.7 | 01:42 | 01:51 | 02:02 | 280 |